roller-project org.eclipse.wst.common.project.facet.core.builder org.eclipse.jdt.core.javabuilder com.ibm.etools.validation.validationbuilder com.ibm.etools.j2ee.LibCopyBuilder com.ibm.sse.model.structuredbuilder org.maven.ide.eclipse.maven2Builder org.maven.ide.eclipse.maven2Nature org.eclipse.jdt.core.javanature com.ibm.etools.struts.StrutsNature org.eclipse.wst.common.project.facet.core.nature